Ed Conover of the Atlantic County Office of Emergency Management, meanwhile, told the Press of Atlantic City that his agency hasn’t detected any seismic activity. He believes that the shaking its atmospheric or from an aircraft.

Diane Wielandi of the Cape May County Office of Emergency Management told the Press that they’ve felt one tremor and heard a boom, noting that it was not significant.

“It felt like a strong wind and my whole house just shook,” she added. “The second time it felt like the ground was shaking. I heard the windows moving too. I thought I was going crazy that it was just me hearing stuff.”